<약수역>상행선(구파발,독립문,대화행)22:28,34,40,46,52,58/23:04,10,16,24,31,39,46,54/24:02,14,31,47하행선(도곡,수서,오금행)22:27,34,42,51/23:00,08,18
당신은 어느 그룹입니까?